Sofa



FIG. 1 is a front, right perspective-view of an embodiment of a sofa;

FIG. 2 is a front view thereof;

FIG. 3 is a right-side view thereof, the left-side view being a mirrorimage thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a front, right perspective-view of another embodiment of asofa;

FIG. 7 is a front view thereof;

FIG. 8 is a back view thereof;

FIG. 9 is a left-side view thereof, the right-side view being a mirrorimage thereof; and,

FIG. 10 is a top view thereof.

CLAIM The ornamental design of a sofa, as shown and described.